Unable to Use dcmipp-isp-ctrl Tool at Runtime with IMX219 Sensor on STM32MP257-EV1

[dongremayur777]

I'm currently working with an IMX219 camera sensor connected to the STM32MP257-EV1 board. The camera is successfully streaming, and the pipeline appears correctly configured through media-ctl. However, I’m unable to use the dcmipp-isp-ctrl tool at runtime for ISP control.

System Info:

• Board: STM32MP257-EV1

• Sensor: IMX219

• ISP Tool: /usr/local/demo/bin/dcmipp-isp-ctrl

• Kernel & Yocto BSP: scarthgap

Media-ctl Output:

Camera is streaming properly; format and pipeline are configured as expected.

root@stm32mp25-eval-e3-e7-ad:~#  media-ctl -d /dev/media2 -p

Media controller API version 6.6.78

Media device information

------------------------

driver          dcmipp

model           DCMIPP MDEV

serial          

bus info        platform:48030000.dcmipp

hw revision     0x30

driver version  6.6.78

Device topology

- entity 1: dcmipp_input (4 pads, 5 links, 0 routes)

            type V4L2 subdev subtype Unknown flags 0

            device node name /dev/v4l-subdev0

pad0: Sink

[stream:0 fmt:SRGGB10_1X10/1920x1080 field:none colorspace:raw xfer:none quantization:full-range]

<- "dcmipp_tpg":0 []

<- "48020000.csi":1 [ENABLED]

pad1: Source

[stream:0 fmt:SRGGB10_1X10/1920x1080 field:none colorspace:raw xfer:none quantization:full-range]

-> "dcmipp_dump_postproc":0 []

pad2: Source

[stream:0 fmt:SRGGB10_1X10/1920x1080 field:none colorspace:rec709]

-> "dcmipp_main_isp":0 [ENABLED]

pad3: Source

[stream:0 fmt:SRGGB10_1X10/1920x1080 field:none colorspace:raw xfer:none quantization:full-range]

-> "dcmipp_aux_postproc":0 []

- entity 6: dcmipp_dump_postproc (2 pads, 2 links, 0 routes)

            type V4L2 subdev subtype Unknown flags 0

            device node name /dev/v4l-subdev1

pad0: Sink

[stream:0 fmt:RGB565_2X8_LE/640x480 field:none colorspace:rec709

compose.bounds:(0,0)/640x480

compose:(0,0)/640x480]

<- "dcmipp_input":1 []

pad1: Source

[stream:0 fmt:RGB565_2X8_LE/640x480 field:none colorspace:rec709

crop.bounds:(0,0)/640x480

crop:(0,0)/640x480]

-> "dcmipp_dump_capture":0 [ENABLED,IMMUTABLE]

- entity 9: dcmipp_dump_capture (1 pad, 1 link)

            type Node subtype V4L flags 0

            device node name /dev/video0

pad0: Sink

<- "dcmipp_dump_postproc":1 [ENABLED,IMMUTABLE]

- entity 13: dcmipp_main_isp (4 pads, 5 links, 0 routes)

             type V4L2 subdev subtype Unknown flags 0

             device node name /dev/v4l-subdev2

pad0: Sink

[stream:0 fmt:SRGGB10_1X10/1920x1080 field:none colorspace:rec709

crop.bounds:(0,0)/1920x1080

crop:(0,0)/1920x1080

compose.bounds:(0,0)/1920x1080

compose:(0,0)/1920x1080]

<- "dcmipp_input":2 [ENABLED]

pad1: Source

[stream:0 fmt:RGB888_1X24/1920x1080 field:none colorspace:rec709]

-> "dcmipp_main_postproc":0 [ENABLED,IMMUTABLE]

-> "dcmipp_aux_postproc":0 []

pad2: Sink

[stream:0 fmt:RGB888_1X24/1920x1080 field:none colorspace:rec709]

<- "dcmipp_main_isp_params_output":0 [ENABLED,IMMUTABLE]

pad3: Source

[stream:0 fmt:unknown/0x0]

-> "dcmipp_main_isp_stat_capture":0 [ENABLED,IMMUTABLE]

- entity 18: dcmipp_main_postproc (2 pads, 2 links, 0 routes)

             type V4L2 subdev subtype Unknown flags 0

             device node name /dev/v4l-subdev3

pad0: Sink

[stream:0 fmt:RGB888_1X24/1920x1080@1/30 field:none colorspace:rec709

crop.bounds:(0,0)/1920x1080

crop:(0,0)/1920x1080

compose.bounds:(0,0)/1920x1080

compose:(0,0)/1920x1080]

<- "dcmipp_main_isp":1 [ENABLED,IMMUTABLE]

pad1: Source

[stream:0 fmt:RGB888_1X24/1920x1080@1/30 field:none colorspace:rec709]

-> "dcmipp_main_capture":0 [ENABLED,IMMUTABLE]

- entity 21: dcmipp_main_capture (1 pad, 1 link)

             type Node subtype V4L flags 0

             device node name /dev/video1

pad0: Sink

<- "dcmipp_main_postproc":1 [ENABLED,IMMUTABLE]

- entity 25: dcmipp_aux_postproc (2 pads, 3 links, 0 routes)

             type V4L2 subdev subtype Unknown flags 0

             device node name /dev/v4l-subdev4

pad0: Sink

[stream:0 fmt:RGB888_1X24/640x480@1/30 field:none colorspace:rec709

crop.bounds:(0,0)/640x480

crop:(0,0)/640x480

compose.bounds:(0,0)/640x480

compose:(0,0)/640x480]

<- "dcmipp_input":3 []

<- "dcmipp_main_isp":1 []

pad1: Source

[stream:0 fmt:RGB888_1X24/640x480@1/30 field:none colorspace:rec709]

-> "dcmipp_aux_capture":0 [ENABLED,IMMUTABLE]

- entity 28: dcmipp_aux_capture (1 pad, 1 link)

             type Node subtype V4L flags 0

             device node name /dev/video2

pad0: Sink

<- "dcmipp_aux_postproc":1 [ENABLED,IMMUTABLE]

- entity 32: dcmipp_main_isp_stat_capture (1 pad, 1 link)

             type Node subtype V4L flags 0

             device node name /dev/video3

pad0: Sink

<- "dcmipp_main_isp":3 [ENABLED,IMMUTABLE]

- entity 36: dcmipp_main_isp_params_output (1 pad, 1 link)

             type Node subtype V4L flags 0

             device node name /dev/video4

pad0: Source

-> "dcmipp_main_isp":2 [ENABLED,IMMUTABLE]

- entity 40: dcmipp_tpg (1 pad, 1 link, 0 routes)

             type V4L2 subdev subtype Sensor flags 0

             device node name /dev/v4l-subdev5

pad0: Source

[stream:0 fmt:RGB565_1X16/640x480 field:none colorspace:rec709]

-> "dcmipp_input":0 []

- entity 64: 48020000.csi (2 pads, 2 links, 0 routes)

             type V4L2 subdev subtype Unknown flags 0

             device node name /dev/v4l-subdev6

pad0: Sink

[stream:0 fmt:SRGGB10_1X10/1920x1080 field:none colorspace:raw xfer:none quantization:full-range]

<- "imx219 0-0010":0 [ENABLED,IMMUTABLE]

pad1: Source

[stream:0 fmt:SRGGB10_1X10/1920x1080 field:none colorspace:raw xfer:none quantization:full-range]

-> "dcmipp_input":0 [ENABLED]

- entity 69: imx219 0-0010 (1 pad, 1 link, 0 routes)

             type V4L2 subdev subtype Sensor flags 0

             device node name /dev/v4l-subdev7

pad0: Source

[stream:0 fmt:SRGGB10_1X10/1920x1080 field:none colorspace:raw xfer:none quantization:full-range

crop.bounds:(8,8)/3280x2464

crop:(688,700)/1920x1080]

-> "48020000.csi":0 [ENABLED,IMMUTABLE]

But the issue is 

Issue:

Running the following command:

/usr/local/demo/bin/dcmipp-isp-ctrl -i0 -g

I am getting output as 

00:00:47.8 / 99:99:99.
Can't find sensor subdev


Didn't understand what's going wrong , why it is unable to recognize the sensor.